I can alleviate you can alleviate he can alleviate we can alleviate you can alleviate they can alleviate
V-ing form
I can be alleviating you can be alleviating he can be alleviating we can be alleviating you can be alleviating they can be alleviating
Perfect
I can have alleviated you can have alleviated he can have alleviated we can have alleviated you can have alleviated they can have alleviated
V-ing perfect
I can have been alleviating you can have been alleviating he can have been alleviating we can have been alleviating you can have been alleviating they can have been alleviating
Negation
Simple form
I can't alleviate you can't alleviate he can't alleviate we can't alleviate you can't alleviate they can't alleviate
V-ing form
I can't be alleviating you can't be alleviating he can't be alleviating we can't be alleviating you can't be alleviating they can't be alleviating
Perfect
I can't have alleviated you can't have alleviated he can't have alleviated we can't have alleviated you can't have alleviated they can't have alleviated
V-ing perfect
I can't have been alleviating you can't have been alleviating he can't have been alleviating we can't have been alleviating you can't have been alleviating they can't have been alleviating
Interrogative form
Simple form
can I alleviate? can you alleviate? can he alleviate? can we alleviate? can you alleviate? can they alleviate?
V-ing form
can I be alleviating? can you be alleviating? can he be alleviating? can we be alleviating? can you be alleviating? can they be alleviating?
Perfect
can I have alleviated? can you have alleviated? can he have alleviated? can we have alleviated? can you have alleviated? can they have alleviated?
V-ing perfect
can I have been alleviating? can you have been alleviating? can he have been alleviating? can we have been alleviating? can you have been alleviating? can they have been alleviating?
Interro-negative form
Simple form
can't I alleviate? can't you alleviate? can't he alleviate? can't we alleviate? can't you alleviate? can't they alleviate?
V-ing form
can't I be alleviating? can't you be alleviating? can't he be alleviating? can't we be alleviating? can't you be alleviating? can't they be alleviating?
Perfect
can't I have alleviated? can't you have alleviated? can't he have alleviated? can't we have alleviated? can't you have alleviated? can't they have alleviated?
V-ing perfect
can't I have been alleviating? can't you have been alleviating? can't he have been alleviating? can't we have been alleviating? can't you have been alleviating? can't they have been alleviating?